| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | HHG PLC | 10.35M (10.99%) | 2.97M Increased by +28.73% | Mar 31, 25 |
| 2 | BlackRock Inc | 8.05M (8.54%) | 97.54K Increased by +1.21% | Mar 31, 25 |
| 3 | Vanguard Group Inc | 7.41M (7.86%) | 702.42K Increased by +9.48% | Mar 31, 25 |
| 4 | RA Capital Management, LLC | 6.38M (6.78%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 5 | FCPM III SERVICES BV | 5.46M (5.80%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 6 | FMR Inc | 5.20M (5.52%) | -2.80M Decreased by -53.93% | Mar 31, 25 |
| 7 | State Street Corporation | 4.19M (4.45%) | 1.86M Increased by +44.27% | Mar 31, 24 |
| 8 | BRAIDWELL LP | 3.62M (3.85%) | 2.94M Increased by +81.19% | Mar 31, 25 |
| 9 | State Street Corp | 3.61M (3.83%) | -107.73K Decreased by -2.98% | Mar 31, 25 |
| 10 | Citadel Advisors Llc | 2.86M (3.04%) | -77.76K Decreased by -2.72% | Dec 31, 24 |
| 11 | Armistice Capital, LLC | 2.77M (2.94%) | 1.80M Increased by +65.15% | Mar 31, 25 |
| 12 | Siren, L.L.C. | 2.72M (2.89%) | 1.37M Increased by +50.42% | Mar 31, 25 |
| 13 | TCG Crossover Management, LLC | 2.65M (2.81%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 14 | JPMorgan Chase & Co | 2.53M (2.69%) | 2.43M Increased by +96.11% | Mar 31, 25 |
| 15 | Holocene Advisors, LP | 2.35M (2.49%) | 365.52K Increased by +15.57% | Dec 31, 24 |
| 16 | Perceptive Advisors LLC | 2.31M (2.46%) | 1.77M Increased by +76.52% | Mar 31, 25 |
| 17 | VR Adviser, LLC | 2.17M (2.31%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 18 | Vida Ventures Advisors, LLC | 2.07M (2.20%) | -145.25K Decreased by -7.00% | Dec 31, 23 |
| 19 | Morgan Stanley - Brokerage Accounts | 2.02M (2.15%) | 1.91M Increased by +94.67% | Dec 31, 23 |
| 20 | Deep Track Capital, LP | 2.00M (2.12%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 3.08M (3.27%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 2 | Vanguard US Total Market Shares ETF | 2.65M (2.82%) | 2.40K Increased by +0.09% | Sep 30, 24 |
| 3 | iShares Russell 2000 ETF | 2.06M (2.18%) | 347.00 Increased by +0.02% | Apr 30, 25 |
| 4 | Fidelity Growth Compy Commingled Pl S | 1.84M (1.95%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 5 | Fidelity Growth Compy Commingled Pl O | 1.79M (1.90%) | 348.61K Increased by +19.51% | Aug 31, 24 |
| 6 | Janus Henderson Global Life Sciences D | 1.76M (1.87%) | -26.83K Decreased by -1.52% | Mar 31, 25 |
| 7 | SPDR® S&P Biotech ETF | 1.76M (1.87%) | -25.78K Decreased by -1.46% | Apr 30, 25 |
| 8 | Janus Global Life Science AUSD | 1.43M (1.52%) | 307.37K Increased by +21.46% | Mar 31, 25 |
| 9 | Janus Henderson Glb Life Scn I2 USD | 1.43M (1.52%) | -31.46K Decreased by -2.20% | Mar 31, 25 |
| 10 | Janus Henderson Global Life Sciences | 1.41M (1.50%) | -12.05K Decreased by -0.85% | Dec 31, 24 |
| 11 | Fidelity Growth Company Fund | 1.30M (1.38%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 12 | Vanguard Institutional Extnd Mkt Idx Tr | 1.24M (1.31%) | 1.94K Increased by +0.16% | Apr 30, 25 |
| 13 | Vanguard Small Cap Index | 1.21M (1.29%) | 14.71K Increased by +1.21% | Apr 30, 25 |
| 14 | RTW Biotech Opportunities Ord | 1.11M (1.18%) | 1.11M Increased by +100.00% | Jun 30, 24 |
| 15 | JPMorgan Small Cap Growth A | 1.08M (1.15%) | 94.33K Increased by +8.73% | Mar 31, 25 |
| 16 | T. Rowe Price New Horizons | 900.31K (0.96%) | -12.18K Decreased by -1.35% | Mar 31, 25 |
| 17 | US Small-Cap Growth II Equity Comp | 900.31K (0.96%) | -83.74K Decreased by -9.30% | Mar 31, 25 |
| 18 | Janus Selection Global Life Science AUSD | 870.12K (0.92%) | 375.63K Increased by +43.17% | Jun 30, 24 |
| 19 | T. Rowe Price Health Sciences | 854.39K (0.91%) | -38.53K Decreased by -4.51% | Aug 31, 24 |
| 20 | Fidelity Small Cap Index | 819.16K (0.87%) | 6.16K Increased by +0.75% | Feb 28, 25 |